Carbon Steel Pipe, Stainless Steel Pipe, Copper Nickel Tube manufacturer / supplier in China, offering CuNi 90/10 Copper - Nickel Tube ISO 6708/ASME B36.19m/DIN 86019 C70600, SUS304 Stainless Steel Seamless Pipe for Chemical Processing in JIS G3459 Standard, Duplex Stainless Seamless Pipe ASTM A312 Heat Exchange Pipe for Oil/Gas Industry and so on.